Rapid assessment of liquefaction risk! Strengthening disaster prevention measures through in-situ investigations.
In the field of disaster prevention, it is important to accurately understand the vulnerability of the ground in order to minimize damage caused by liquefaction during an earthquake. In particular, identifying areas prone to liquefaction is essential for implementing preventive measures. Traditional survey methods not only take time and cost but also have limitations in obtaining detailed data. The ground survey system "RI Cone" enables rapid and high-precision ground surveys in situ, streamlining liquefaction risk assessment. 【Usage Scenarios】 - Surveying areas with potential liquefaction - Ground surveys before seismic reinforcement work on existing structures - Liquefaction risk assessment of reclaimed land and developed sites - Collection of ground data for creating disaster prevention maps 【Benefits of Implementation】 - Rapid surveys enable early countermeasures - More accurate risk assessment through high-precision data acquisition - Contributes to prioritizing liquefaction countermeasures - Supports the formulation of disaster prevention plans
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【Features】 - It is possible to quickly and in detail obtain and calculate physical property values such as ground strength, soil classification, density, and moisture ratio in situ. - It allows for understanding the consolidation conditions of soft ground such as dredged landfill sites, confirming ground improvement effects, and assessing liquefaction. - It can be applied to ground with an N value of about 20 when combined with a dedicated penetration vehicle. 【Our Strengths】 Since our establishment in 1974, we have developed numerous technologies that utilize RI (Radioisotope) measurement technology in the construction field. As an "RI measuring instrument manufacturer," we handle everything from development to manufacturing, rental, and maintenance in-house. As a "construction consultant," we conduct on-site investigations using RI technology, in addition to general ground surveys and soil tests. We are the only well-known company in the industry that demonstrates comprehensive strength through these two pillars, contributing to ensuring reliable quality at construction sites.
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Since our establishment, we have developed many measurement technologies that utilize various types of radiation emitted by radioisotopes, particularly gamma rays and neutron rays, in the construction field, specifically the RI method. The characteristics of the RI method are "non-destructive," "rapid," and "high precision." Currently, based on the development of unique measuring instruments that leverage these characteristics and the proposal of investigation methods, we focus on consulting that comprehensively addresses issues related to ground and soil construction by combining soil and geological surveys. Additionally, we also engage in the sale and rental of these RI instruments. Please feel free to contact us if you have any requests.
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